3468864 - Group Reporting: Runtime error MESSAGE_TYPE_UNKNOWN when running PCC

By running PCC (Preparation for Consolidation Group Changes) task in Consolidation Monitor app, runtime error with title MESSAGE_TYPE_UNKNOWN occurs in subroutine START_OF_SELECTION of program FINCS_PCC_PCC2 at the following line:

     catch cx_fincs_pcc_config into data(lx_config).
       go_task_control->finish_version( iv_completed = abap_false ).
>>>       message lx_config.
     catch cx_fincs_pcc_no_data_exit.

Long text of ABAP runtime error (in t-code ST22) contains for example the following information on system fields:

SY-TITLE Preparation for Consolidation Group Changes
SY-MSGTY
SY-MSGID MSG_FINCS_MD_MAINT
SY-MSGNO 041
SY-MSGV1 &S-DEF-TAX-PL&
SY-MSGV2

SAP S/4HANA Cloud Private Edition, SAP S/4HANA Finance for Group Reporting

KBA , FIN-CS-COR-PCC , Preparation Consolidation Group Changes , Problem